Whatman Partisphere® WVS Columns Whatmans Partisphere® WVS columns have built-in void compensators that help you extend the column lifetime. Use the piston-like plungers at each end of the column to compress the bed and seal any voids that develop over time. Choose your column from the table below, and purchase reusable WVS endfittings separately. 了解更多或訂購產(chǎn)品，請致電耐士科技全國服務(wù)熱線：400-188-0725